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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    package org.apache.commons.configuration.event;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    /**<a name="line.19"></a>
<FONT color="green">020</FONT>     * &lt;p&gt;<a name="line.20"></a>
<FONT color="green">021</FONT>     * An event class that is used for reporting errors that occurred while<a name="line.21"></a>
<FONT color="green">022</FONT>     * processing configuration properties.<a name="line.22"></a>
<FONT color="green">023</FONT>     * &lt;/p&gt;<a name="line.23"></a>
<FONT color="green">024</FONT>     * &lt;p&gt;<a name="line.24"></a>
<FONT color="green">025</FONT>     * Some configuration implementations (e.g.<a name="line.25"></a>
<FONT color="green">026</FONT>     * {@link org.apache.commons.configuration.DatabaseConfiguration}<a name="line.26"></a>
<FONT color="green">027</FONT>     * or {@link org.apache.commons.configuration.JNDIConfiguration}<a name="line.27"></a>
<FONT color="green">028</FONT>     * use an underlying storage that can throw an exception on each property<a name="line.28"></a>
<FONT color="green">029</FONT>     * access. In earlier versions of this library such exceptions were logged and<a name="line.29"></a>
<FONT color="green">030</FONT>     * then silently ignored. This makes it impossible for a client to find out that<a name="line.30"></a>
<FONT color="green">031</FONT>     * something went wrong.<a name="line.31"></a>
<FONT color="green">032</FONT>     * &lt;/p&gt;<a name="line.32"></a>
<FONT color="green">033</FONT>     * &lt;p&gt;<a name="line.33"></a>
<FONT color="green">034</FONT>     * To give clients better control over the handling of errors that occur during<a name="line.34"></a>
<FONT color="green">035</FONT>     * access of a configuration object a new event listener mechanism specific for<a name="line.35"></a>
<FONT color="green">036</FONT>     * exceptions is introduced: Clients can register itself at a configuration<a name="line.36"></a>
<FONT color="green">037</FONT>     * object as an &lt;em&gt;error listener&lt;/em&gt; and are then notified about all<a name="line.37"></a>
<FONT color="green">038</FONT>     * internal errors related to the source configuration object.<a name="line.38"></a>
<FONT color="green">039</FONT>     * &lt;/p&gt;<a name="line.39"></a>
<FONT color="green">040</FONT>     * &lt;p&gt;<a name="line.40"></a>
<FONT color="green">041</FONT>     * By inheriting from {@code ConfigurationEvent} this event class<a name="line.41"></a>
<FONT color="green">042</FONT>     * supports all properties that describe an operation on a configuration<a name="line.42"></a>
<FONT color="green">043</FONT>     * instance. In addition a {@code Throwable} object is available<a name="line.43"></a>
<FONT color="green">044</FONT>     * representing the occurred error. The event's type determines the operation<a name="line.44"></a>
<FONT color="green">045</FONT>     * that caused the error. Note that depending on the event type and the occurred<a name="line.45"></a>
<FONT color="green">046</FONT>     * exception not all of the other properties (e.g. name of the affected property<a name="line.46"></a>
<FONT color="green">047</FONT>     * or its value) may be available.<a name="line.47"></a>
<FONT color="green">048</FONT>     * &lt;/p&gt;<a name="line.48"></a>
<FONT color="green">049</FONT>     *<a name="line.49"></a>
<FONT color="green">050</FONT>     * @author &lt;a<a name="line.50"></a>
<FONT color="green">051</FONT>     * href="http://commons.apache.org/configuration/team-list.html"&gt;Commons<a name="line.51"></a>
<FONT color="green">052</FONT>     * Configuration team&lt;/a&gt;<a name="line.52"></a>
<FONT color="green">053</FONT>     * @version $Id: ConfigurationErrorEvent.java 1207610 2011-11-28 21:06:22Z oheger $<a name="line.53"></a>
<FONT color="green">054</FONT>     * @since 1.4<a name="line.54"></a>
<FONT color="green">055</FONT>     * @see ConfigurationEvent<a name="line.55"></a>
<FONT color="green">056</FONT>     */<a name="line.56"></a>
<FONT color="green">057</FONT>    public class ConfigurationErrorEvent extends ConfigurationEvent<a name="line.57"></a>
<FONT color="green">058</FONT>    {<a name="line.58"></a>
<FONT color="green">059</FONT>        /**<a name="line.59"></a>
<FONT color="green">060</FONT>         * The serial version UID.<a name="line.60"></a>
<FONT color="green">061</FONT>         */<a name="line.61"></a>
<FONT color="green">062</FONT>        private static final long serialVersionUID = -7433184493062648409L;<a name="line.62"></a>
<FONT color="green">063</FONT>    <a name="line.63"></a>
<FONT color="green">064</FONT>        /** Stores the exception that caused this event. */<a name="line.64"></a>
<FONT color="green">065</FONT>        private Throwable cause;<a name="line.65"></a>
<FONT color="green">066</FONT>    <a name="line.66"></a>
<FONT color="green">067</FONT>        /**<a name="line.67"></a>
<FONT color="green">068</FONT>         * Creates a new instance of {@code ConfigurationErrorEvent} and<a name="line.68"></a>
<FONT color="green">069</FONT>         * initializes it.<a name="line.69"></a>
<FONT color="green">070</FONT>         *<a name="line.70"></a>
<FONT color="green">071</FONT>         * @param source the event source<a name="line.71"></a>
<FONT color="green">072</FONT>         * @param type the event's type<a name="line.72"></a>
<FONT color="green">073</FONT>         * @param propertyName the name of the affected property<a name="line.73"></a>
<FONT color="green">074</FONT>         * @param propertyValue the value of the affected property<a name="line.74"></a>
<FONT color="green">075</FONT>         * @param cause the exception object that caused this event<a name="line.75"></a>
<FONT color="green">076</FONT>         */<a name="line.76"></a>
<FONT color="green">077</FONT>        public ConfigurationErrorEvent(Object source, int type,<a name="line.77"></a>
<FONT color="green">078</FONT>                String propertyName, Object propertyValue, Throwable cause)<a name="line.78"></a>
<FONT color="green">079</FONT>        {<a name="line.79"></a>
<FONT color="green">080</FONT>            super(source, type, propertyName, propertyValue, true);<a name="line.80"></a>
<FONT color="green">081</FONT>            this.cause = cause;<a name="line.81"></a>
<FONT color="green">082</FONT>        }<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>        /**<a name="line.84"></a>
<FONT color="green">085</FONT>         * Returns the cause of this error event. This is the {@code Throwable}<a name="line.85"></a>
<FONT color="green">086</FONT>         * object that caused this event to be fired.<a name="line.86"></a>
<FONT color="green">087</FONT>         *<a name="line.87"></a>
<FONT color="green">088</FONT>         * @return the cause of this error event<a name="line.88"></a>
<FONT color="green">089</FONT>         */<a name="line.89"></a>
<FONT color="green">090</FONT>        public Throwable getCause()<a name="line.90"></a>
<FONT color="green">091</FONT>        {<a name="line.91"></a>
<FONT color="green">092</FONT>            return cause;<a name="line.92"></a>
<FONT color="green">093</FONT>        }<a name="line.93"></a>
<FONT color="green">094</FONT>    }<a name="line.94"></a>




























































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